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Moisture monitoring system

  • US 5,546,974 A
  • Filed: 01/03/1995
  • Issued: 08/20/1996
  • Est. Priority Date: 01/03/1995
  • Status: Expired due to Fees
First Claim
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1. A sensor for measuring moisture in a medium, comprising:

  • a first conductive plate disposed in a plane, said first plate having a first terminal;

    a second conductive plate coplanar with said first conductive plate and not in contact with said first conductive plate, said second plate having a second terminal;

    a casing made of a dielectric material, said first and second plates embedded in said casing with said terminals protruding from said casing, said casing having a thickness in a dimension normal to said plane; and

    said thickness varies across said plane.

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